18 - 55mm focal plane curvature at 18mm

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fredtucker
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18 - 55mm focal plane curvature at 18mm
2 months ago

I am a bit concerned at how the 18-55 performs at 18mm. Has anyone noticed the rather extreme curvature of the focal plane? Even at f6.3 if I focus at about 3 metres on a landscape for instance, the foreground is mostly in focus and the centre to infinity is in very sharp  focus but the borders and corners are very, very soft. I would have thought at  these settings one could expect the foreground through to infinity to be in perfect focus over the entire picture area?

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